Transmissive surfaces for wireless communication

Abstract

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmissive system may include a surface at least partially transparent to light. The transmissive system may further include a coating on the surface configured to reduce emissivity of the surface for infrared and ultraviolet radiation. The transmissive system may include a pattern on the surface formed by a treatment configured to reduce signal loss of one or more radio frequencies. The pattern may be configured to result in a target transmission field of view for the one or more radio frequencies.

What is claimed is: 
     
         1 . A transmissive system for wireless communication, comprising:
 a surface at least partially transparent to light;   a coating on the surface configured to reduce emissivity of the surface for infrared and ultraviolet (UV) radiation; and   a pattern on the surface formed by a treatment configured to reduce signal loss of one or more radio frequencies,
 wherein the pattern is configured to result in a target transmission field of view (FoV) for the one or more radio frequencies. 
   
     
     
         2 . The transmissive system of  claim 1 , wherein the surface comprises soda-lime glass. 
     
     
         3 . The transmissive system of  claim 1 , wherein the coating comprises tin dioxide or silver. 
     
     
         4 . The transmissive system of  claim 1 , wherein the treatment comprises an etching process that removes or shapes a portion of the coating according to the pattern. 
     
     
         5 . The transmissive system of  claim 1 , wherein the one or more radio frequencies include at least one millimeter wave frequency. 
     
     
         6 . The transmissive system of  claim 1 , wherein the pattern comprises a binary stripe pattern. 
     
     
         7 . The transmissive system of  claim 6 , wherein the pattern has a minimum width associated with the binary stripe pattern, and the minimum width is selected to achieve the target transmission FoV. 
     
     
         8 . The transmissive system of  claim 1 , wherein the pattern is configured to result in the target transmission FoV at a set of target distances from the surface. 
     
     
         9 . The transmissive system of  claim 1 , wherein the pattern is configured to result in the target transmission FoV for a plurality of incident directions for the one or more radio frequencies. 
     
     
         10 . The transmissive system of  claim 1 , wherein the pattern is based at least in part on a maximum infrared emission limit, a maximum UV emission limit, or a minimum visibility limit associated with the surface. 
     
     
         11 . The transmissive system of  claim 1 , wherein the pattern is determined using an optimization of worst-case pass-through signal gain for the one or more radio frequencies within the target transmission FoV. 
     
     
         12 . The transmissive system of  claim 1 , wherein the pattern is determined using an optimization of a diffusion coefficient or a Gini coefficient computed for a pass-through signal for the one or more radio frequencies within the target transmission FoV. 
     
     
         13 . The transmissive system of  claim 1 , further comprising:
 a tinting layer on the surface,
 wherein the pattern is determined based at least in part on the tinting layer. 
   
     
     
         14 . The transmissive system of  claim 1 , further comprising:
 a reflective layer on the surface,
 wherein the reflective layer is configured to reflect one or more additional radio frequencies. 
   
     
     
         15 . The transmissive system of  claim 1 , further comprising:
 a reflective layer on the surface,
 wherein the reflective layer is configured to reflect the one or more radio frequencies from a first incident direction, and the pattern is configured to refract the one or more radio frequencies from a second incident direction. 
   
     
     
         16 . The transmissive system of  claim 1 , wherein the pattern is configured to result in the target transmission FoV in an enclosed room. 
     
     
         17 . The transmissive system of  claim 16 , further comprising:
 an additional pattern on the surface configured to, in combination with the pattern, result in the target transmission FoV for the one or more radio frequencies.   
     
     
         18 . The transmissive system of  claim 1 , wherein the target transmission FoV covers a relay device configured to serve one or more user equipment. 
     
     
         19 . The transmissive system of  claim 1 , further comprising:
 an additional pattern on the surface configured to, in combination with the pattern, result in the target transmission FoV,
 wherein the target transmission FoV covers a relay device configured to serve one or more user equipment. 
   
     
     
         20 . The transmissive system of  claim 1 , wherein the target transmission FoV covers a relay device configured to serve one or more user equipment, and the transmissive system further comprises:
 an additional pattern on the surface configured to result in an additional target transmission FoV for the one or more radio frequencies, wherein the additional target transmission FoV covers the relay device and is associated with an additional incident signal direction.   
     
     
         21 . The transmissive system of  claim 1 , wherein the pattern is associated with a first orientation of the surface, and the transmissive system further comprises:
 an additional pattern on the surface, associated with a second orientation of the surface, configured to result in an additional target transmission FoV associated with an additional incident signal direction for the one or more radio frequencies.   
     
     
         22 . An apparatus for wireless communication at a user equipment (UE), comprising:
 one or more memories; and   one or more processors, coupled to the one or more memories, individually or collectively configured to cause the UE to:
 receive, using a first antenna panel of the UE, a set of reference signals to determine a first set of measurements; 
 receive, using a second antenna panel of the UE, the set of reference signals to determine a second set of measurements; and 
 transmit a report indicating at least one of the set of reference signals for the first antenna panel and at least one of the set of reference signals for the second antenna panel,
 wherein the report is based at least in part on the first set of measurements, the second set of measurements, and an indication of a transmissive surface associated with the set of reference signals. 
 
   
     
     
         23 . The apparatus of  claim 22 , wherein the one or more processors are individually or collectively configured to cause the UE to:
 receive the indication of the transmissive surface from a network node.   
     
     
         24 . The apparatus of  claim 22 , wherein the one or more processors are individually or collectively configured to cause the UE to:
 receive the indication of the transmissive surface from an additional UE.   
     
     
         25 . The apparatus of  claim 22 , wherein the one or more processors are individually or collectively configured to cause the UE to:
 transmit the indication of the transmissive surface to a network node.   
     
     
         26 . The apparatus of  claim 22 , wherein the set of reference signals comprises a set of synchronization signal blocks. 
     
     
         27 . The apparatus of  claim 22 , wherein the set of reference signals comprises a set of channel state information reference signals. 
     
     
         28 . The apparatus of  claim 22 , wherein the one or more processors are individually or collectively configured to cause the UE to:
 receive a configuration for the set of reference signals,
 wherein the configuration is based at least in part on the indication of the transmissive surface. 
   
     
     
         29 . A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising:
 one or more instructions that, when executed by one or more processors of a user equipment (UE), cause the UE to:
 receive, using a first antenna panel of the UE, a set of reference signals to determine a first set of measurements; 
 receive, using a second antenna panel of the UE, the set of reference signals to determine a second set of measurements; and 
 transmit a report indicating at least one of the set of reference signals for the first antenna panel and at least one of the set of reference signals for the second antenna panel, 
 wherein the report is based at least in part on the first set of measurements, the second set of measurements, and an indication of a transmissive surface associated with the set of reference signals. 
   
     
     
         30 . A method of wireless communication performed by a user equipment (UE), comprising:
 receiving, using a first antenna panel of the UE, a set of reference signals to determine a first set of measurements;   receiving, using a second antenna panel of the UE, the set of reference signals to determine a second set of measurements; and   transmitting a report indicating at least one of the set of reference signals for the first antenna panel and at least one of the set of reference signals for the second antenna panel,
 wherein the report is based at least in part on the first set of measurements, the second set of measurements, and an indication of a transmissive surface associated with the set of reference signals.